Aragón, in Spanish and Aragonese; Aragó, in Catalan, is an autonomous community in the centre of north-eastern Spain. Its official name in Spanish is the "Comunidad Autónoma de Aragón." It has an area of 47,719 km² (18,424 mi²) with a population of 1,277,471 (2006).

Aragon is bounded on the north by France, on the east by Catalonia, on the south by Valencia, and on the west by Castile-La Mancha, Castile-Leon, La Rioja, and Navarre. It comprises the provinces of Zaragoza (English and Catalan: Saragossa), Huesca, and Teruel. It is traversed by the Ebro, mountainous in the north; with beautiful fertile valleys, rather barren in the south.